Well..I could not pick just five but I can recommend you these:
1. Returner (Takeshi Kaneshiro, Ann Suzuki)
2. Swallotail Butterfly (Chara, Atsuro Watabe, Yosuke Eguchi)
3. Seoul (Tomoya Nagase, Choi Min Sik)
4. 13 Kaidan (Takashi Sorimachi, Tsutomu Yamazaki)
5. Laundry (Yosuke Kubozuka, Koyuki)
6. Go (Yosuke Kubozuka, Kou Shibasaki)
7. Space Travellers (Takeshi Kaneshiro, Ando Masanobu, Eri Fukatsu)
8. Transparent/Satorare (Ando Masanobu, Suzuki Kyoka)
9. Red Shadow (Ando Masanobu, Megumi Okina)
10. Moho-han (Masahiro Nakai, Kimura Yoshino, Tsutomu Yamazaki)
11. Postman Blues (Tsutsumi Shinichi)
12. Yomigaeri (Tsuyoshi Kusanagi, Yuko Takeuchi)
13. Calmi Cuori Appassionatti (Yutaka Takenouchi, Kelly Chen)
14. Mayonaka Made (Hiroyuki Sanada, Michelle Reiss)
15. Ping Pong (Yosuke Kubozuka, Arata, Sam Lee)
16. Chaos (Miki Nakatani)
17. Samurai Fiction (Fumiya Fuji)
18. Senrigan (Miki Mizuno, Kuroki Hitomi)
19. Onmyoji (Hideaki Ito, Hiroyuki Sanada)
20. Versus (Tak Fujimoto)
21. 2009 Lost Memories (Jang Dong Gun, Toru Nakamura)
22. Rendan (Naoto Takenaka, Yuki Amami)
23. Bayside Shakedown (Yuji Oda, Tatsuro Yanagiba, Eri Fukatsu)
24. Doraheita (Koji Yakusho)
25. Shall we dance (Koji Yakusho)
26. Waterboys (Satoshi Tsumabuki)
27. Whiteout (Yuji Oda, Nanako Matsushima)
28. Go-Con (Rina Uchiyama)
29. All Akira kurosawa's samurai film
30. Misty (Takeshi Kaneshiro, Toyokawa Etsushi, Yuki Amami)
Phew..
That's what I've watched and they are good so you can pick five of them he..he..he..If you need some info or hint on any of them you can pm me.